ZEST BOLT Service Manual

ENGINE 1.3L QUADRAJET (90PS) 101 The latter receives power and earth signals from pins 15 and 32 of connector V of ECU and sends a signal to pin 41. Water in fuel & fuel temperature Sensor (K101) The water in fuel & fuel temperature sensor is powered from fuse 20A. Earth to the sensor is from pin 1, 2, 3 of connector V of ECU, It receives a reference earth for fuel temperature sensor from pin 13 of connector V of ECU and sends a fuel temperature signal to pin 61. Turbo Pressure & temperature Sensor (K82) This sensor is not available in 75ps version & available in 90ps version The Turbo pressure & temperature sensor K82 measures the pressure and the temperature in the intake chamber, downstream of the turbocharger. It is supplied by pin 23 of Connector M of ECU and receives a reference earth from pin 24 of Connector M. A signal corresponding to the pressure level is sent to pin 41 of Connector M of ECU, the signal corresponding to the temperature is sent to pin 37 of Connector M. Rail Pressure Sensor (K83) Fuel pressure sensor K83 supplies the ECU with a feedback signal to modulate injection pressure and duration. It receives power and a reference earth from pins 8 and 6 of Connector M of ECU; it then sends a pressure signal to pin 38. Lambda Sensor (K40) This sensor is not available in BSIII application & available in E-4 version Lambda sensor K40 sends signals to pins 44, 45 and 47 of connector V of ECU while pin 46 supplies a reference earth. Sensor K40 is heated by a coil to ensure efficient operation even when cold. The coil is supplied by the line of fuse 15A and receives an earth signal from pin 12 of connector V of control unit ECU. Rail Pressure Regulator (DRV) (N17) The fuel pressure regulator on the pump N17 controls the high pressure produced by the actual pump; the two control signals come from pins 4 and 34 of Connector M of control unit ECU. Solenoid EGR Valve (EVRV) (L30) The EGR solenoid valve (EVRV) L30 is supplied by a line from fuse 15A which goes to pin 5 of connector M of ECU as well and is controlled by a signal from pin 15 of Connector M of ECU Injector (N70) The engine management control unit sends the command to the injectors N70 from pins 16-47, 17- 49, 31-48, 1-46 of Connector M of ECU for cylinders 1, 2, 3 and 4, respectively. Brake Switch (I30) Pin 92 of connector V of Engine control unit receives a signal from brake light switch (I30) - NO contact – which is provided with an ignition-controlled power supply from fuse (10A). Pin 68 of connector V receives a signal – from NC contact – of brake light switch (I30), which is supplied with an ignition controlled supply from fuse (10A). Clutch Switch (I31) Pin 90 of connector V of Engine control unit receives the signal from the clutch switch (I31). Vehicle Speed Signal for EMS : The Engine Control unit receives this signal through pin 93 of vehicle connector, from the instrument cluster. System self-diagnosis (Kline) connector (D29) : The Engine Control unit is connected to System self- diagnosis connector (R10) through the pin 10 for K- line diagnosis. Instrument Cluster (E50) The Engine Control unit drives the following in instrument cluster Max water temperature lamp through the pin 75 of connector V of ECU Engine RPM Signal through pin 29 of connector V of ECU. Glow Plug Heater Lamp through pin 52 of connector V of ECU. Self Diagnostic Lamp (service) through pin 77 of connector V. EOBD lamp (MIL) through the pin 78 of connector V of ECU.